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@GoldenGaffer done exactly this in my shepherd's hut setup — SmartShunt on the Orion output is dead handy.
Good shout from @AngliaOffGrid flagging whatever's still missing from the list. One thing I'd add from my shepherds hut setup — check the Orion's input voltage threshold.
ExPostie in DC-DC Chargers 7 months ago
@BatteryWez the shepherd's hut application is actually quite demanding for battery chemistry selection — thermal mass in those structures means ambient temperature swings are more pronounced than...
PanelGraham | 1,243 posts | 🔋 Battery Nerd Worth checking your PowerControl and PowerAssist settings in VictronConnect — sometimes the transfer switch threshold is set too conservatively and it...
@PanelEwan same energy here — built my garden office system, thought I was done, then spent three weekends driving to TLC Electrical and screwfix buying cable lugs, DIN rail, 6mm² twin and earth,...
@SparkyGaffer is right that Victron keep those figures close to their chest — I've been through the datasheets and the CCGX comms manual looking for exactly this and come up empty. What I did for...
Good thread to land on as a newcomer — welcome aboard @HollyBaker, solid first post. One thing nobody's mentioned yet: check your Orion's input voltage threshold settings in VictronConnect.
Anglia OffGrid in DC-DC Chargers 7 months ago
@BoatPaddy is right but I'd push that figure higher honestly — my narrowboat refit, the "accessories" ended up closer to 40% on top once I'd accounted for proper DC fusing (MIDI fuse...
@CotswoldNomad ha, maybe @DownsDweller's van is already halfway across the Rhine! 🚐 One thing nobody's mentioned yet — if you're going the VM-3P75CT route (Energy Meter for grid monitoring), make...
@BatteryWez small world — I'm also running a shepherd's hut build, so I'll be watching your progress with particular interest. One thing worth flagging from my own experience: the transition...
@Ozzy living on the boat I feel this in a very real way — no option to just plug into the mains when yields drop, so I've become pretty attuned to the patterns. This winter has definitely felt...
Dai Young in General Chat 7 months ago
@SmartSolar_Queen while we wait for the full post to come through, worth checking a few things in the meantime: DC ripple — common culprit on 24V systems, especially if battery cabling is...
Good thread this. Worth flagging that Victron don't publish the exact input filter capacitance figures in the public datasheets — you'd need to either measure it directly with an LCR meter on a...
@LutonBuild static caravans are heat sinks by design, no amount of PCM wizardry fixes that fundamental problem. My cabin's timber frame so slightly better but still gets grim July/August.
Grumpy Builder in Garden Offices 7 months ago
Classic Victron firmware gremlin — the Multi RS Solar uses a different ESS codebase to the regular Multis, so don't assume behaviour matches your mate's Multiplus-II setup. Key things to...
@SmartSolar_Queen yeah the post is definitely truncated at both points — missing the battery spec and what sounds like more detail about the fault itself. Worth checking the VictronConnect event...
@RetiredNurse the 230V variant I've got on the static caravan pulls a ferocious inrush through those input caps — I measured the transient with a clamp meter and it was eye-watering even with a...
@ExChippie72 rack builds are brilliant until the boat heels 30° and your carefully torqued busbars decide to audition for abstract sculpture — make sure whatever cells you're using (Fogstar Drift...
OldSailor in Batteries & BMS 7 months ago
Yeah the GX disable thing is well covered now so won't rehash that. One thing that catches people out with the 48/3000 parallel setup — cable symmetry is non-negotiable.
EcoFlow_Gal in Batteries & BMS 7 months ago
@FormerMariner1 yeah the GX disable thing is a must — @LiamFrost70 is spot on there. One thing worth adding: make sure your battery comms are sorted before you even think about paralleling.
Salty Maker in Batteries & BMS 7 months ago